linux-kernel - [PATCH 0/2] drm/nouveau: Fix connector memory corruption issues

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [thread-next>] [day] [month] [year] [list]

Date:   Fri, 13 Jul 2018 12:24:39 -0400
From:   Lyude Paul <lyude@...hat.com>
To:     nouveau@...ts.freedesktop.org
Cc:     Karol Herbst <karolherbst@...il.com>, stable@...r.kernel.org,
        "David Airlie" <airlied@...ux.ie>, linux-kernel@...r.kernel.org,
        dri-devel@...ts.freedesktop.org, "Ben Skeggs" <bskeggs@...hat.com>
Subject: [PATCH 0/2] drm/nouveau: Fix connector memory corruption issues

This fixes some nasty issues I found in nouveau that were being caused
looping through connectors using racy legacy methods, along with some
caused by making incorrect assumptions about the drm_connector structs
in nouveau's connector list. Most of these memory corruption issues
could be reproduced by using an MST hub with nouveau.

Cc: Karol Herbst <karolherbst@...il.com>
Cc: stable@...r.kernel.org

Lyude Paul (2):
  drm/nouveau: Use drm_connector_list_iter_* for iterating ues connectors
  drm/nouveau: Avoid looping through fake MST connectors

 drivers/gpu/drm/nouveau/nouveau_backlight.c |  6 ++--
 drivers/gpu/drm/nouveau/nouveau_connector.c |  9 ++++--
 drivers/gpu/drm/nouveau/nouveau_connector.h | 36 ++++++++++++++++++---
 drivers/gpu/drm/nouveau/nouveau_display.c   | 10 ++++--
 4 files changed, 51 insertions(+), 10 deletions(-)

-- 
2.17.1